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Finding the Fourth Proportional to 312,799.56, 469,100.25 and 113,093.52

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Solution

The fourth proportional to 312,799.56, 469,100.25 and 113,093.52 is: 169,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,799.56 : 469,100.25 = 113,093.52 : x
  2. Step 2: Convert to fraction form
    312,799.56/469,100.25 = 113,093.52/x
  3. Step 3: Cross multiply
    312,799.56x = 469,100.25 × 113,093.52
  4. Step 4: Simplify right side
    312,799.56x = 53,052,198,505.38
  5. Step 5: Solve for x
    x = 53,052,198,505.38/312,799.56
  6. Step 6: Final answer
    x = 169,604.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.